The Nemastomatidae are a family of harvestmen with about 170 described species in 16 recent genera. Several fossil species and genera are known.

Unlike some related currently recognized families, the Nemastomatidae are monophyletic.

Description

Members of the Nemastomatidae range in body length from about one to almost six millimeters. Their chelicerae are of normal proportians, but the pedipalp

Pedipalp

Pedipalps , are the second pair of appendages of the prosoma in the subphylum Chelicerata. They are traditionally thought to be homologous with mandibles in Crustacea and insects, although more recent studies Pedipalps (commonly shortened to palps or palpi), are the second pair of appendages of the...

s are very elongated and thin in some groups. Leg length is likewise variable.

Distribution

The subfamily Ortholasmatinae (ten species in two genera) occur on both sides of the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

: in western North America

North America

North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

 from Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 to British Columbia

British Columbia

British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

 and eastern Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

 (Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and northern Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

.
The other subfamily, Nemastomatinae, occur all over Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 up to Iceland

Iceland

Iceland , described as the Republic of Iceland, is a Nordic and European island country in the North Atlantic Ocean, on the Mid-Atlantic Ridge. Iceland also refers to the main island of the country, which contains almost all the population and almost all the land area. The country has a population...

 and the Caucasus

Caucasus

The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

, in the Atlas Mountains

Atlas Mountains

The Atlas Mountains is a mountain range across a northern stretch of Africa extending about through Morocco, Algeria, and Tunisia. The highest peak is Toubkal, with an elevation of in southwestern Morocco. The Atlas ranges separate the Mediterranean and Atlantic coastlines from the Sahara Desert...

 of North Africa

North Africa

North Africa or Northern Africa is the northernmost region of the African continent, linked by the Sahara to Sub-Saharan Africa. Geopolitically, the United Nations definition of Northern Africa includes eight countries or territories; Algeria, Egypt, Libya, Morocco, South Sudan, Sudan, Tunisia, and...

, from Anatolia

Anatolia

Anatolia is a geographic and historical term denoting the westernmost protrusion of Asia, comprising the majority of the Republic of Turkey...

 to northern Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, with a few species found outside this region, in Central Asia

Central Asia

Central Asia is a core region of the Asian continent from the Caspian Sea in the west, China in the east, Afghanistan in the south, and Russia in the north...

 and the Himalayas

Himalayas

The Himalaya Range or Himalaya Mountains Sanskrit: Devanagari: हिमालय, literally "abode of snow"), usually called the Himalayas or Himalaya for short, is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau...

.
Most species are restricted to very small mountainous southern regions.

Relationships

The Nemastomatidae are probably a sister group to the genera Dicranolasma (Dicranolasmatidae

Dicranolasmatidae

The Dicranolasmatidae are a family of harvestmen with about 20 described species in a single genus.-Description:Species of Dicranolasma range in body length from three to 6.4 mm. Most parts of the body are encrusted with soil particles. The anterior region features a large headlike "hood" with the...

) and Trogulus (Trogulidae

Trogulidae

The Trogulidae are a family of harvestmen with about 45 known species.Members of this species have short legs and live in soil. They have dirt attached to their bodies, to escape predators. Their body length ranges from 2 to 22 mm. The body is in most genera somewhat flattened and leathery...

).

Name

The genus name Nemastoma is a combination of Ancient Greek

Ancient Greek

Ancient Greek is the stage of the Greek language in the periods spanning the times c. 9th–6th centuries BC, , c. 5th–4th centuries BC , and the c. 3rd century BC – 6th century AD of ancient Greece and the ancient world; being predated in the 2nd millennium BC by Mycenaean Greek...

 nema "thread" and stoma "mouth", referring to the elongated pedipalps.

Subfamily Nemastomatinae

• Nemastomatinae Simon, 1872
• Buresiolla Kratochvíl & Miller, 1958

• Buresiolla bureschi (Roewer
  Carl Friedrich Roewer
  Carl Friedrich Roewer was a German arachnologist. He concentrated on harvestmen, where he described almost a third of today's known species, but also almost 700 taxa of spiders and numerous Solifugae....
  
  , 1926)
• Buresiolla abchasica Ljovuschkin & Starobogatov, 1963 — Abkhazia
  Abkhazia
  Abkhazia is a disputed political entity on the eastern coast of the Black Sea and the south-western flank of the Caucasus.Abkhazia considers itself an independent state, called the Republic of Abkhazia or Apsny...
  
  
• Buresiolla caecum (Nowikoff, 1931) — Crimea
  Crimea
  Crimea , or the Autonomous Republic of Crimea , is a sub-national unit, an autonomous republic, of Ukraine. It is located on the northern coast of the Black Sea, occupying a peninsula of the same name...
  
  

• Nemaspela Silhavý, 1966

• Nemaspela sokolovi (Ljovuschkin & Starobogatov, 1963)
• Nemaspela birsteini Levushkii, 1972
• Nemaspela taurica (Lebedinskiy, 1914) — Crimea

• Giljarovia Kratochvíl & Miller, 1958

• Giljarovia rossica Kratochvíl & Miller, 1958
• Giljarovia stridula (Kratochvíl & Miller, 1958)
• Giljarovia turcica Gruber, 1976

• Nemastoma C. L. Koch
  Carl Ludwig Koch
  Carl Ludwig Koch was a German entomologist and arachnologist. He was responsible for classifying a great number of spiders, including the Brazilian whiteknee tarantula and Common house spider. He was born in Kusel, Germany and died in Nuremberg, Germany.Carl Ludwig Koch was an inspector of water...
  
  , in Hahn & C. L. Koch 1836

• subgenus Nemastoma

• Nemastoma aeginum Roewer, 1951
• Nemastoma amulleri Roewer, 1951
• Nemastoma anatolicum Roewer, 1962
• Nemastoma armeniacum Roewer, 1951
• Nemastoma atticum Roewer, 1927
• Nemastoma bacilliferum Simon, 1879 — Spain
  Spain
  Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...
  
  

• Nemastoma bacilliferum bacilliferum Simon, 1879 — Pyrenees
  Pyrenees
  The Pyrenees is a range of mountains in southwest Europe that forms a natural border between France and Spain...
  
  
• Nemastoma bacilliferum simoni Roewer, 1914
• Nemastoma bacilliferum simplex Simon, 1913
• Nemastoma bacilliferum dipentatum Rambla, 1959

• Nemastoma bidentatum Roewer, 1914 — central Europe
  Europe
  Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
  
  

• Nemastoma bidentatum bidentatum Roewer, 1914
• Nemastoma bidentatum sparsum Gruber & Martens, 1968
• Nemastoma bidentatum relictum Gruber & Martens, 1968

• Nemastoma bimaculosum Roewer, 1951
• Nemastoma brevipalpatum Roewer, 1951
• Nemastoma caecum Grese, 1911 — Crimea
• Nemastoma cancellatum Roewer, 1917 — Bosnia
• Nemastoma caporiaccoi Roewer, 1951
• Nemastoma carbonarium Simon, 1907 — Spain
• Nemastoma carpathicum Roewer, 1951
• † Nemastoma clavigerum Menge, 1854 — fossil
• Nemastoma corcyraeum Roewer, 1917 — Korfu
• Nemastoma cypricum Roewer, 1951
• † Nemastoma denticulatum Koch & Berendt, 1854 — Baltic amber fossil: oligocene
  Oligocene
  The Oligocene is a geologic epoch of the Paleogene Period and extends from about 34 million to 23 million years before the present . As with other older geologic periods, the rock beds that define the period are well identified but the exact dates of the start and end of the period are slightly...
  
  
• Nemastoma dentigerum Canestrini, 1873 — Italy
  Italy
  Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...
  
  
• Nemastoma dubium Mello-Leitão
  Cândido Firmino de Mello-Leitão
  Cândido Firmino de Mello-Leitão, , was a Brazilian zoologist who is considered the founder of Arachnology in South America, publishing 198 papers on the taxonomy of Arachnida...
  
  , 1936 — Spain
• Nemastoma emigratum Roewer, 1959
• Nemastoma ferkeri Roewer, 1951
• Nemastoma filipes Roewer, 1917 — Transcaucasus
• Nemastoma formosum Roewer, 1951
• Nemastoma franzi Kraus, 1959
• Nemastoma funebre Redikorzev, 1936 — Russia
  Russia
  Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...
  
  
• Nemastoma gallwitzi Roewer, 1923 — Serbia
  Serbia
  Serbia , officially the Republic of Serbia , is a landlocked country located at the crossroads of Central and Southeast Europe, covering the southern part of the Carpathian basin and the central part of the Balkans...
  
  
• Nemastoma gigas Sørensen, in Lendl 1894 — Hungary
  Hungary
  Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...
  
  
• Nemastoma globuliferum L. Koch
  Ludwig Carl Christian Koch
  Ludwig Carl Christian Koch was a German entomologist and arachnologist.He was born in Regensburg, Germany and died in Nuremberg, Germany. He studied in Nuremberg, initially law, but then turned to medicine and science...
  
  , 1867
• Nemastoma gostivarense Hadzi, 1973
• Nemastoma gracile Redikorzev, 1936 — Russia
• Nemastoma hankiewiczii Kulczynski, 1909 — Portugal
  Portugal
  Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...
  
  
• Nemastoma hermanni Kraus, 1959
• Nemastoma ikarium Roewer, 1951
• Nemastoma insulare Roewer, 1951
• Nemastoma ios Roewer, 1917 — Sporaden
• Nemastoma kastneri Roewer, 1951
• Nemastoma lessinensis Caporiacco, 1940 — Italy
• Nemastoma leiobunum Wankel, 1851
• Nemastoma lilliputanum (Lucas
  Hippolyte Lucas
  Pierre-Hippolyte Lucas was a French entomologist.Lucas was an assistant-naturalist at the Muséum national d'Histoire naturelle. From 1839 to 1842 he studied fauna as part of the scientific Commission on the exploration of Algeria.His brother was Prosper Lucas.-Works:*Histoire naturelle des...
  
  , 1847) — Algeria
  Algeria
  Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...
  
  
• Nemastoma lindbergi Roewer, 1959
• Nemastoma longipalpatum Roewer, 1951
• Nemastoma longipes Schenkel, 1947 — Albania
  Albania
  Albania , officially known as the Republic of Albania , is a country in Southeastern Europe, in the Balkans region. It is bordered by Montenegro to the northwest, Kosovo to the northeast, the Republic of Macedonia to the east and Greece to the south and southeast. It has a coast on the Adriatic Sea...
  
  
• Nemastoma maarebense Simon, 1913 — Algeria
• Nemastoma machadoi Roewer, 1951
• Nemastoma mackenseni Roewer, 1923 — Serbia
• Nemastoma macedonicum Hadzi, 1973
• Nemastoma manicatum Simon, 1913 — Spain
• Nemastoma moesiacum Roewer, 1917 — Serbia and Bosnia
  Bosnia (region)
  Bosnia is a eponomous region of Bosnia and Herzegovina. It lies mainly in the Dinaric Alps, ranging to the southern borders of the Pannonian plain, with the rivers Sava and Drina marking its northern and eastern borders. The other eponomous region, the southern, other half of the country is...
  
  
• Nemastoma monchiquense Kraus, 1961
• Nemastoma montenegrinum Nosek, 1904 — Montenegro
  Montenegro
  Montenegro Montenegrin: Crna Gora Црна Гора , meaning "Black Mountain") is a country located in Southeastern Europe. It has a coast on the Adriatic Sea to the south-west and is bordered by Croatia to the west, Bosnia and Herzegovina to the northwest, Serbia to the northeast and Albania to the...
  
  
• Nemastoma navarrense Roewer, 1951
• Nemastoma nervosum Roewer, 1923 — Serbia
• Nemastoma perfugium Roewer, 1951
• Nemastoma polonicum Roewer, 1951
• Nemastoma pyrenaeum Simon, 1879 — Pyrenees
• Nemastoma reimoseri Roewer, 1951
• Nemastoma rhinoceros Roewer, 1917 — Spain
• Nemastoma riparium Roewer, 1951
• Nemastoma romanium Roewer, 1951
• Nemastoma rude Simon, 1881 — Alps
  Alps
  The Alps is one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east through Italy, Switzerland, Liechtenstein and Germany to France in the west....
  
  
• Nemastoma santorinum Roewer, 1951
• Nemastoma scabriculum Simon, 1879 — Pyrenees
• Nemastoma schenkeli Roewer, 1951
• Nemastoma schuelleri Gruber & Martens, 1968
• Nemastoma senussium Roewer, 1951
• Nemastoma sexmucronatum Simon, 1911 — Spain
• Nemastoma simplex Giltay, 1933 — Balkans
  Balkans
  The Balkans is a geopolitical and cultural region of southeastern Europe...
  
  
• Nemastoma spinosissima Kraus, 1961
• Nemastoma spinulosum L. Koch, 1869 — Greece
  Greece
  Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....
  
  
• Nemastoma strasseri Roewer, 1951
• Nemastoma stussineri Simon, 1885 — Greece
• † Nemastoma succineum Roewer, 1939 — fossil: Baltic amber
• Nemastoma tenebricosum Redikorzev, 1936 — Russia
• Nemastoma tenue Hadzi, 1973
• Nemastoma titaniacum Roewer, 1914 — Bosnia
• Nemastoma transsylvanicum Gruber & Martens, 1968
• Nemastoma triste (C. L. Koch, 1835) — central Europe

• Nemastoma triste triste C. L. Koch, in Herrich-Schaeffer 1835

• Nemastoma troglodytes (Wankel, 1861)
• † Nemastoma tuberculatum Koch & Berendt, 1854 — fossil: oligocene
• Nemastoma tunetanum Roewer, 1951
• Nemastoma vitynae Roewer, 1927

• subgenus Dromedostoma

• Nemastoma acrospinosum Roewer, 1951

• Nemastoma acrospinosum acrospinosum Roewer, 1951
• Nemastoma acrospinosum pretneri Hadzi, 1973

• Nemastoma bipunctatum Hadzi, 1973
• Nemastoma bolei Hadzi, 1973
• Nemastoma corneluttii Hadzi, 1973
• Nemastoma grabovicae Hadzi, 1973
• Nemastoma megarae Hadzi, 1973
• Nemastoma multisignaltum Hadzi, 1973
• Nemastoma nigrum Hadzi, 1973
• Nemastoma radewi Roewer, 1926 — cave in Balkans
• Nemastoma ryla Roewer, 1951
• Nemastoma sketi Hadzi, 1973

• subgenus Lugubrostoma

• Nemastoma boenicum
• Nemastoma goliae Hadzi, 1973
• Nemastoma lugubre (Müller, 1776)

• Nemastoma lugubre lugubre (Müller, 1776)
• Nemastoma lugubre bimaculatum (Fabricius
  Johan Christian Fabricius
  Johan Christian Fabricius was a Danish zoologist, specialising in "Insecta", which at that time included all arthropods: insects, arachnids, crustaceans and others...
  
  , 1775) — Europe
• Nemastoma lugubre unicolor Roewer, 1914 — southern Europe

• Nemastoma sarae Hadzi, 1973

• Paranemastoma Redikorzew, 1936

• Paranemastoma bicuspidatum (C. L. Koch, 1835)
• Paranemastoma ancae Avram, 1973
• Paranemastoma charitonovi (Mcheidze, 1952)
• Paranemastoma kalischevskyi (Roewer, 1951)
• Paranemastoma kochii (Nowicki, 1870)
• Paranemastoma quadripunctatum (Perty, 1833) — Europe

• Paranemastoma quadripunctatum quadripunctatum (Perty, 1833)
• Paranemastoma quadripunctatum aurosum L. Koch, 1869
• Paranemastoma quadripunctatum armatum Kulczynski, 1909 — southeastern Europe
• Paranemastoma quadripunctatum thessalum Simon, 1885 — Greece
• Paranemastoma quadripunctatum werneri Kulczynski, 1903 — Asia Minor
  Asia Minor
  Asia Minor is a geographical location at the westernmost protrusion of Asia, also called Anatolia, and corresponds to the western two thirds of the Asian part of Turkey...
  
  
• Paranemastoma quadripunctatum humerale C. L. Koch, 1839 — southeastern Europe

• Paranemastoma roeweri Starega, 1978
• Paranemastoma sillii (Hermann, 1871) — central Europe
• Paranemastoma suchumium (Roewer, 1951)
• Paranemastoma supersum (Roewer, 1951)
• Paranemastoma umbo (Roewer, 1951)
• Paranemastoma aurigerum (Roewer, 1951)

• Paranemastoma aurigerum aurigerum Roewer, 1951
• Paranemastoma aurigerum joannae Starega, 1976

• Histricostoma Kratochvíl & Miller, 1958

• Histricostoma drenskii Kratochvíl & Miller, 1958
• Histricostoma dentipalpe (Ausserer
  Anton Ausserer
  Anton Ausserer was an Austrian naturalist specialising in spiders.- Selected publications :...
  
  , 1867) — central Europe
• Histricostoma argenteolunulatum (Canestrini, 1872) — Corcica, Italy
• Histricostoma caucasicum (Redikorzev, 1936) — Russia

• Carinostoma
  Carinostoma
  Carinostoma is an harvestmen genus in the family Nemastomatidae.-Species:* Carinostoma carinatum — southeastern Europe* Carinostoma elegans — Hungary** Carinostoma elegans elegans...
  
  Kratochvíl & Miller, 1958

• Carinostoma carinatum (Roewer, 1914) — southeastern Europe
• Carinostoma elegans
  Carinostoma elegans
  Carinostoma elegans is an harvestmen species in the genus Carinostoma found in Hungary....
  
  (Sørensen, 1894) — Hungary

• Carinostoma elegans elegans (Sørensen, 1894)
• Carinostoma elegans batorligetiense (Szalay, 1951)

• Carinostoma ornatum (Hadzi, 1940)

• Centetostoma Kratochvíl & Miller, 1958

• subgenus Centetostoma

• Centetostoma centetes (Simon, 1881) — Alps

• subgenus Cretostoma

• Centetostoma creticum (Roewer, 1927)

• Mitostoma Roewer, 1951

• Mitostoma armatissimum Roewer, 1962
• Mitostoma daccordii Tedeschi & Sciaky, 1997
• Mitostoma fabianae Tedeschi & Sciaky, 1997
• Mitostoma sabbadinii Tedeschi & Sciaky, 1997
• Mitostoma orghidani Avram, 1969
• Mitostoma dumitrescui Avram, 1969
• Mitostoma patrizii Roewer, 1958
• Mitostoma saxonicum
• Mitostoma asturicum Roewer, 1951
• Mitostoma omalosum Roewer, 1951
• Mitostoma chrysomelas (Hermann, 1804) — Europe

• Mitostoma chrysomelas chrysomelas (Hermann, 1804)
• Mitostoma chrysomelas michielii Hadzi, 1973
• Mitostoma chrysomelas multidenticulatum Hadzi, 1973
• Mitostoma chrysomelas alpinum Hadzi, 1931 — Yugoslavia
  Yugoslavia
  Yugoslavia refers to three political entities that existed successively on the western part of the Balkans during most of the 20th century....
  
  

• Mitostoma anophthalmum (Fage, 1946) — Italy
• Mitostoma carneluttii Hadzi, 1973
• Mitostoma helenae Avram, 1970
• Mitostoma macedonicum Hadzi, 1973
• Mitostoma moldavica Avram, 1970
• Mitostoma rodnae Avram, 1970
• Mitostoma zmajevicae Hadzi, 1973
• Mitostoma olgae Silhavý, 1946 — Dalmatia, Montenegro

• Mitostoma olgae olgae Silhavý, 1946
• Mitostoma olgae decorum Silhavý, 1946
• Mitostoma olgae kratochvili Silhavý, 1946
• Mitostoma olgae zorae Hadzi, 1973

• Mitostoma valdemonense Marcellino, 1977

Subfamily Ortholasmatinae

• Ortholasmatinae Shear & Gruber, 1983
• Dendrolasma Banks, 1894

• Dendrolasma mirabile Banks
  Nathan Banks
  Nathan Banks was an American entomologist noted for his work on neuroptera, megaloptera, hymenoptera, and acarina . He started work on mites in 1880 with the USDA...
  
  , 1894 — Washington
• Dendrolasma angka P. J. Schwendinger & J. Gruber, 1992 — Thailand
  Thailand
  Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...
  
  
• Dendrolasma dentipalpe W. A. Shear & J. Gruber, 1983 — California
  California
  California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
  
  
• Dendrolasma parvula (Suzuki, 1963)

• † Halitherses Giribet & Dunlop, 2005

• † Halitherses grimaldii Giribet & Dunlop, 2005 — fossil: Cretaceous
  Cretaceous
  The Cretaceous , derived from the Latin "creta" , usually abbreviated K for its German translation Kreide , is a geologic period and system from circa to million years ago. In the geologic timescale, the Cretaceous follows the Jurassic period and is followed by the Paleogene period of the...
  
   (Albian
  Albian
  The Albian is both an age of the geologic timescale and a stage in the stratigraphic column. It is the youngest or uppermost subdivision of the Early/Lower Cretaceous epoch/series. Its approximate time range is 112.0 ± 1.0 Ma to 99.6 ± 0.9 Ma...
  
  ) Burmese amber
  Amber
  Amber is fossilized tree resin , which has been appreciated for its color and natural beauty since Neolithic times. Amber is used as an ingredient in perfumes, as a healing agent in folk medicine, and as jewelry. There are five classes of amber, defined on the basis of their chemical constituents...
  
  , c. 100 mya

• Ortholasma Banks, 1894

• Ortholasma bolivari (Goodnight & Goodnight, 1942) — Mexico
  Mexico
  The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
  
  
• Ortholasma coronadense Cockerell, 1916 — Coronados Islands
• Ortholasma levipes W. A. Shear & J. Gruber, 1983 — California
• Ortholasma pictipes Banks, 1911 — California
• Ortholasma rugosum Banks, 1894 — California
• Ortholasma sbordonii Silhavý, 1973

incertae sedis

• Nemastomella Mello-Leitão, 1936

• Nemastomella integripes Mello-Leitão, 1936 — Spain

• Hadzinia Silhavý, 1966

• Hadzinia karamani (Hadzi, 1940)

• Acromitostoma Roewer, 1951

• Acromitostoma hispanum (Roewer, 1917) — Spain: Granada
  Granada
  Granada is a city and the capital of the province of Granada, in the autonomous community of Andalusia, Spain. Granada is located at the foot of the Sierra Nevada mountains, at the confluence of three rivers, the Beiro, the Darro and the Genil. It sits at an elevation of 738 metres above sea...
  
  
• Acromitostoma rhinoceros Roewer, 1951

• Mediostoma Kratochvíl & Miller, 1958

• Mediostoma graecum (Roewer, 1917)
• Mediostoma topolium (Roewer, 1951)
• Mediostoma pamiricum W. Starega, 1986 — Tajikistan
  Tajikistan
  Tajikistan , officially the Republic of Tajikistan , is a mountainous landlocked country in Central Asia. Afghanistan borders it to the south, Uzbekistan to the west, Kyrgyzstan to the north, and China to the east....
  
  
• Mediostoma ceratocephalum Gruber, 1976

• Pyza Starega, 1976

• Pyza bosnica (Roewer, 1916)

• † Rhabdotarachnoides Haupt, 1956 — fossil

• † Rhabdotarachnoides simoni Haupt, 1956 — Permian
  Permian
  The PermianThe term "Permian" was introduced into geology in 1841 by Sir Sir R. I. Murchison, president of the Geological Society of London, who identified typical strata in extensive Russian explorations undertaken with Edouard de Verneuil; Murchison asserted in 1841 that he named his "Permian...